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Fruit is caryopsis in
(a) Asteraceae
(b) Poaceae
(c) Fabaceae
(d) Liliaceae

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Last updated date: 13th Jun 2024
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Answer
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Hint: The plants that belong to this family are an important source for food such as wheat, maize, oats,etc., These plants are used as fodder also, their seeds are monocotyledonous and endospermic.

Correct step by step answer:
Caryopsis is also called grain, these are a specialized type of dry, one- seeded fruit that is characteristic of the Poaceae family of grasses. These plants might be herbs or shrubs and sometimes like trees. These are annual or perennials with fibrous, adventitious, branched, or stilt roots.
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So, the correct answer is 'Poaceae'.

Additional Information:
- In caryopsis, the ovary wall is united with the seed coat, and fused into a single unit.
- It is formed from a single carpel and it does not open at maturity. - All the cereal grains have caryopsis except buckwheat.
- In the plants of the Poaceae family the stem is underground, woody, cylindrical with conspicuous nodes and internodes.
- They have simple, alternate, and leaves exstipulate whose base forms tubular sheath.
- Plants used as a food source are Oryza sativa, Triticum aestivum, Avena sativa (oats), Zea mays (Maize).
- The grasses such as Panicum, Cynodon dactylon, Cymbopogon, and Poa are used as fodder.
- The Jaggery and sugar are obtained from the Saccharum officinarum of the Poaceae family.

Note:
- In the family Poaceae, the species of Bambusa are used for scaffolding and thatching of huts.
- Plants of this family are economically very important because some are used to yield scented oils from their roots e.g., Vetiveria zizanioides, and also its root is used in weaving curtains.
- Some plants such as Phragmites karka, Claviceps purpurea, Cymbopogon schoenanthus also have medicinal values.